Stocks in September have been negative for four years in a row but momentum from the rate cut could bring change.

Global stock markets cheered the Fed’s decision. But David Rosenberg is staying in his seat for now. A former chief North American economist at Merrill Lynch and now president of Toronto-based Rosenberg Research,

Stocks have historically reacted well to Fed rate cuts. Since 1971, the first Fed cut has led to positive returns for investors 100% of the time in the next six months, with an average gain of 13%, according to Fundstrat's Tom Lee.